Johannes Avetaranian, Richard Schafer , John Bechard, A Muslim Who Became a Christian, Authors On Line Ltd, 2003, ISBN0-7552-0069-1,Google Print, p. 4.
Elia, Anthony J (2020). An American Novel in Central Asia: The Unfinished Translation of Ben-Hur and the Final Decade of the Swedish Missionary Project in Kashgar, 1928–1938 (Thesis). ProQuest2469087423.[page needed]
